/*
 * @Author: lvjiaxuan
 * @Date: 2017-11-29 15:34:47
 * @Last Modified by: lvjiaxuan
 * @Last Modified time: 2017-12-25 17:24:06
 */
<template>
<div>
	<nav-header></nav-header>
	<nav-bread>
			<span slot='bread'>MY CART</span>
	</nav-bread>
	<svg style="position: absolute; width: 0; height: 0; overflow: hidden;" version="1.1"
				xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
		<defs>
			<symbol id="icon-add" viewBox="0 0 32 32">
				<title>add2</title>
				<path class="path1"
							d="M15 17h-13.664c-0.554 0-1.002-0.446-1.002-1 0-0.552 0.452-1 1.002-1h13.664v-13.664c0-0.554 0.446-1.002 1-1.002 0.552 0 1 0.452 1 1.002v13.664h13.664c0.554 0 1.002 0.446 1.002 1 0 0.552-0.452 1-1.002 1h-13.664v13.664c0 0.554-0.446 1.002-1 1.002-0.552 0-1-0.452-1-1.002v-13.664z"></path>
			</symbol>
			<symbol id="icon-ok" viewBox="0 0 32 32">
				<title>ok</title>
				<path class="path1"
							d="M31.020 0.438c-0.512-0.363-1.135-0.507-1.757-0.406s-1.166 0.435-1.529 0.937l-17.965 24.679-5.753-5.67c-0.445-0.438-1.035-0.679-1.664-0.679s-1.219 0.241-1.664 0.679c-0.917 0.904-0.917 2.375 0 3.279l7.712 7.6c0.438 0.432 1.045 0.681 1.665 0.681l0.195-0.008c0.688-0.057 1.314-0.406 1.717-0.959l19.582-26.9c0.754-1.038 0.512-2.488-0.538-3.233z"></path>
			</symbol>
			<symbol id="icon-edit" viewBox="0 0 32 32">
				<title>edit</title>
				<path class="path1"
							d="M28.287 8.51l-4.805-4.806 0.831-0.831c0.472-0.472 1.086-0.777 1.564-0.777 0.248 0 0.452 0.082 0.622 0.253l3.143 3.144c0.539 0.54 0.133 1.529-0.524 2.186l-0.831 0.831zM26.805 9.992l-1.138 1.138-4.805-4.806 1.138-1.138 4.805 4.806zM24.186 12.612l-14.758 14.762-4.805-4.806 14.758-14.762 4.805 4.806zM7.379 28.288l-4.892 1.224 1.223-4.894 3.669 3.67zM31.123 4.011l-3.143-3.144c-0.567-0.567-1.294-0.867-2.103-0.867-1.036 0-2.174 0.52-3.045 1.391l-20.429 20.436c-0.135 0.134-0.23 0.302-0.276 0.487l-2.095 8.385c-0.089 0.355 0.017 0.736 0.276 0.995 0.198 0.198 0.461 0.307 0.741 0.307 0.085 0 0.171-0.010 0.254-0.031l8.381-2.096c0.185-0.047 0.354-0.142 0.487-0.276l20.43-20.436c1.409-1.41 2.042-3.632 0.524-5.15v0z"></path>
			</symbol>
			<symbol id="icon-del" viewBox="0 0 32 32">
				<title>delete</title>
				<path class="path1"
							d="M11.355 4.129v-2.065h9.29v2.065h-9.29zM6.194 29.935v-23.742h19.613v23.742h-19.613zM30.968 4.129h-8.258v-3.097c0-0.569-0.463-1.032-1.032-1.032h-11.355c-0.569 0-1.032 0.463-1.032 1.032v3.097h-8.258c-0.569 0-1.032 0.463-1.032 1.032s0.463 1.032 1.032 1.032h3.097v24.774c0 0.569 0.463 1.032 1.032 1.032h21.677c0.569 0 1.032-0.463 1.032-1.032v-24.774h3.097c0.569 0 1.032-0.463 1.032-1.032s-0.463-1.032-1.032-1.032v0z"></path>
				<path class="path2"
							d="M10.323 9.806c-0.569 0-1.032 0.463-1.032 1.032v14.452c0 0.569 0.463 1.032 1.032 1.032s1.032-0.463 1.032-1.032v-14.452c0-0.569-0.463-1.032-1.032-1.032z"></path>
				<path class="path3"
							d="M16 9.806c-0.569 0-1.032 0.463-1.032 1.032v14.452c0 0.569 0.463 1.032 1.032 1.032s1.032-0.463 1.032-1.032v-14.452c0-0.569-0.463-1.032-1.032-1.032z"></path>
				<path class="path4"
							d="M21.677 9.806c-0.569 0-1.032 0.463-1.032 1.032v14.452c0 0.569 0.463 1.032 1.032 1.032s1.032-0.463 1.032-1.032v-14.452c0-0.569-0.463-1.032-1.032-1.032z"></path>
			</symbol>
			<symbol id="icon-clock" viewBox="0 0 32 32">
				<title>clock</title>
				<path class="path1" fill="#605f5f"
							d="M16 29c-7.168 0-13-5.831-13-13s5.832-13 13-13c7.168 0 13 5.832 13 13s-5.832 13-13 13zM16 0c-8.822 0-16 7.178-16 16s7.178 16 16 16c8.822 0 16-7.178 16-16s-7.178-16-16-16z"></path>
				<path class="path2" fill="#605f5f"
							d="M23.958 21.837l-6.958-6.489v-6.282c0-0.827-0.673-1.5-1.5-1.5s-1.5 0.673-1.5 1.5v6.934c0 0.414 0.174 0.814 0.477 1.098l7.435 6.934c0.279 0.259 0.642 0.402 1.023 0.402 0.415 0 0.814-0.174 1.096-0.477 0.564-0.605 0.532-1.555-0.073-2.12z"></path>
			</symbol>
		</defs>
	</svg>
	<div class="container">
		<div class="cart">
			<div class="page-title-normal">
				<h2 class="page-title-h2"><span>My Cart</span></h2>
			</div>
			<div class="item-list-wrap">
				<div class="cart-item">
					<div class="cart-item-head">
						<ul>
							<li>Items</li>
							<li>Price</li>
							<li>Quantity</li>
							<li>Subtotal</li>
							<li>Edit</li>
						</ul>
					</div>
					<ul class="cart-item-list">
						<li v-for='(item, index) in cartList' :key='index'>
							<div class="cart-tab-1">
								<div class="cart-item-check">
									<a href="javascipt:;" class="checkbox-btn item-check-btn" :class="{'check':item.checked=='1'}" @click="editCart('checked', item)">
										<svg class="icon icon-ok">
											<use xlink:href="#icon-ok"></use>
										</svg>
									</a>
								</div>
								<div class="cart-item-pic">
									<img :src="'/static/' + item.productImage" :alt='item.productName'>
								</div>
								<div class="cart-item-title">
									<div class="item-name">{{ item.productName }}</div>
								</div>
							</div>
							<div class="cart-tab-2">
								<div class="item-price">{{ item.salePrice }}</div>
							</div>
							<div class="cart-tab-3">
								<div class="item-quantity">
									<div class="select-self select-self-open">
										<div class="select-self-area">
											<a class="input-sub" @click="editCart('sub', item)">-</a>
											<span class="select-ipt">{{ item.productNum }}</span>
											<a class="input-add" @click="editCart('add', item)">+</a>
										</div>
									</div>
								</div>
							</div>
							<div class="cart-tab-4">
								<div class="item-price-total">{{ item.salePrice * item.productNum }}</div>
							</div>
							<div class="cart-tab-5">
								<div class="cart-item-opration">
									<a href="javascript:;" class="item-edit-btn" @click='delCartConfirm(item.productId)'>
										<svg class="icon icon-del">
											<use xlink:href="#icon-del"></use>
										</svg>
									</a>
								</div>
							</div>
						</li>
					</ul>
				</div>
			</div>
			<div class="cart-foot-wrap">
				<div class="cart-foot-inner">
					<div class="cart-foot-l">
						<div class="item-all-check">
							<a href="javascipt:;" @click='toggleCheckAll'>
								<span class="checkbox-btn item-check-btn" :class="{'check':checkAllFlag}">
										<svg class="icon icon-ok"><use xlink:href="#icon-ok"/></svg>
								</span>
								<span>Select all</span>
							</a>
						</div>
					</div>
					<div class="cart-foot-r">
						<div class="item-total">
							Item total: <span class="total-price" v-text="`$${itemTotal}`"></span>
						</div>
						<div class="btn-wrap">
							<a class="btn btn--red" :class="{'btn--dis':checkedCount}" @click="checkOut">Checkout</a>
						</div>
					</div>
				</div>
			</div>
		</div>
	</div>
	<modal :mdShow='modalConfirm' @close='closeModal'>
		<p slot='message'>你确认删除此条数据嘛</p>
		<div slot='btnGroup' >
			<a class='btn btn-m' href="javascript:;" @click='delCart'>确认</a>
			<a class='btn btn-m' href="javascript:;" @click='modalConfirm=false'>关闭</a>
		</div>
	</modal>
	<nav-footer />
</div>
</template>

<style>
.input-sub,.input-add{
min-width: 40px;
height: 100%;
border: 0;
color: #605F5F;
text-align: center;
font-size: 16px;
overflow: hidden;
display: inline-block;
background: #f0f0f0;
}
.item-quantity .select-self-area{
background:none;
border: 1px solid #f0f0f0;
}
.item-quantity .select-self-area .select-ipt{
display: inline-block;
padding:0 3px;
width: 30px;
min-width: 30px;
text-align: center;
}
</style>

<script>

import './../assets/css/checkout.css';

import NavHeader from '@/components/NavHeader'
import NavFooter from '@/components/NavFooter'
import NavBread from '@/components/NavBread'
import Modal from '@/components/Modal'

import axios from 'axios'

axios.defaults.baseURL = '/api';
export default{
	data(){
			return{
					cartList: [],
					modalConfirm: false,
					productId: ''
			}
	},
	components: {
		NavHeader, NavFooter, NavFooter, NavBread, Modal
	},
	computed: {
		checkAllFlag(){
			// 有一个未选中就不能全选
			// 全选中就全选
			return this.cartList.every(item => {
				return item.checked == '1'
			});
		},
		checkedCount() {
			// 只要有一个选中，返回false，即可checkout
			return this.cartList.every(item => {
				return item.checked == '0';
			});
		},
		itemTotal() {
			return this.cartList.reduce((total, item) => {
					return item.checked == '1' ? total += item.productNum * item.salePrice : total;
			}, 0);
		}
	},
	mounted () {
			this.init();
	},
	methods: {
		init() {
			axios.get('/users/cartList',{})
			.then((res) => {
				if(res.data.status == '0') {
					this.cartList = res.data.result
				} else {
					console.log(res.data.result);
					alert(res.data.msg);
				}
			});
		},
		delCartConfirm(productId) {
			this.productId = productId;
			this.modalConfirm = true;
		},
		delCart() {
			axios.post('/users/cart/del', {
				productId: this.productId
			}).then(res => {
				if(res.data.status == '0') {
					this.modalConfirm = false;
					this.init();
				}
			});
		},
		closeModal() {
			this.modalConfirm = false;
		},
		editCart(mode, item) {

			if(mode == 'add') {
				if(item.checked == '1') {
					this.$store.commit('updateCartCount', 1);
				}
				item.productNum++;
			} else if(mode == 'sub') {
				if(item.checked == '1') {
					this.$store.commit('updateCartCount', item.productNum == 1 ? 0 : -1);
				}
				item.productNum = Math.max(1, item.productNum - 1);
			} else {
				// axios.get('/users/getCartCount')
				// .then(res => {
				//   if(res.data.status = '0') {
				//     this.$store.commit('updateCartCount', res.data.result || 0);
				//   }
				// });
				item.checked = item.checked == '1' ? '0' : '1';
				if(item.checked == '1') {
					this.$store.commit('updateCartCount', +item.productNum);
				} else {
					this.$store.commit('updateCartCount', -item.productNum);
				}
			}

			axios.post('/users/cart/edit', item)
			.then(res => {
				if(res.data.status == '0') {
					// edit成功

				} else {
					alert(res.data.msg);
				}
			});
		},
		toggleCheckAll() {
			// 全选/反全选
			let flag = !this.checkAllFlag;

			this.cartList.forEach(item => {
				item.checked = flag ? '1' :'0';
			});

			axios.get('/users/getCartCount')
			.then(res => {
				if(res.data.status = '0') {
					this.$store.commit('updateCartCount', res.data.result || 0);
				}
			});

			axios.post('/users/editCheckAll', {
				checkAll: flag
			}).then(res => {
				if(res.data.status == '0') {

				} else {
					alert(res.data.msg);
				}
			});
		},
		checkOut() {
			if(!this.checkedCount) {
				this.$router.push("/address");
			}
		}
	}
}
</script>
